Container



Sept. 12, 1939. J. F. PETERS 2,172,404

CONTAINER Filed June 2, 1936 \w 'lllllllll INVENTOR v 2% a an:

ATTORNEY Patented Sept. 12, 1939 UNITED STATES PATENT OFFICE CONTAINER John F. Peters, Leonia, N. J., assignor to American Can Company, New York, N. Y., a corporation of New Jersey Application June 2, 1936, Serial No. 83,171

2 Claims. (Cl. 220-39) The present invention relates to a sheet metal Figure 4 is an enlarged fragmentary section of container or can having a removable flanged the upper portion of a can body before necking cover which is applied by a turning movement, in and from which the can shown in Fig. 1 is the cover flange and can being provided with produced;

5 operating interrupted thread sections for secur- Figure 5 is a view similar to Fig. 4 and illus- 5*- ing the applied cover in can closing position, and trating the can body after its upper end has been has particular reference to such a can which necked in; and

has a reinforced necked-in or reduced diameter Figure 6 is an enlarged fragmentary section end over which the cover may be applied so that of the upper end of the can shown assembled with 10 the exterior surface of its flange will be flush its cover, the section being taken substantially 10' with the outside of the can. along the line 66 in Figure 1.

An object of the invention is the provision of a A preferred embodiment of the invention as can adapted to be closed with a frangible seal disclosed in the drawing comprises a cylindrical and a flanged reclosure cover wherein the can sheet metal can body II closed at its bottom end is formed with a plurality of groups of vertical with a closure member which is secured to the 1 corrugations which are spaced around the cirbody in a suitable seam I2. The upper end of cumference of the can adjacent its top end for the body wall is strengthened by an annular inreinforcing and for reducing or necking in this wardly bent bead I4 (Figs. 4, 5 and 6);

end of the can so that the exterior surface of the Above the bead I4 the body wall I I is reduced in flanged cover will be flush with the outside of the diameter or necked-in as at I5 (Fig. 5), the mate- 20 can when the cover is applied. rial of the body wall being bent into groups of Another object is the provision of such a can vertical corrugations I6. The groups of corwherein the groups of vertical corrugations are rugations are spaced at intervals around the cirseparated by uncorrugated portions of its recumference of the body and are separated by 5 duced diameter, these uncorrugated portions prouncorrugated portions I'I. This grouping adds viding smooth surfaced walls in which interrupted materially to the strength of the upper end of thread sections are formed which cooperate with the body and at the same time presents a pleasing similar thread sections formed in the cover for appearance. locking the latter in can closing position. The reduction of the body wall in this manner The groups of corrugations are so arranged produc s in effect a Second annular Strengthen- 30 that they are intermediate of the thread sections ing bead I8 which is disposed above and adof the body so that the upper part of the can jacent the bead M. The bead I8 curves outbody is very much stiffened and the thread secwardly, merging into the bead I4 having a cross tions have their full effect in drawing down the section as in an S-curve, but does not project reclosure cover tightly upon the mouth of the beyond the body wall. 35 can. The top of the body wall II is preferably bent Still another object is the provision of a can inwardly to provide a curled edge 2| which forms of this Character having a corrugated necked-in a smooth mouth for the open end of the can and end formed in a manner to improve the apfurther reinforces or strengthens this part of pearance of the can and to greatly enhance its the body. This curled edge is utilized to hold in 40 commercial value. place a frangible seal 22 which closes oif the open Numerous other objects and advantages of the end of the can. invention will be apparent as it is better under- A cover 25 is applied to the can over the top of stood from the following description, which, taken the frangible seal 22 and may be used as a recloin connection With the accompanying aw ng, sure cover after the frangible seal has been broken 45 discloses a preferred embodiment thereof. out. The cover is formed with a top wall 26 and Referring t the w g! a depending side wall or flange 21 which extends Figure 1 is a perspective view of a closed and down adjacent the necked-in portion I5 of the sealed can embodying the instant invention; body wall II with its exterior surface flush with Figure 2 is an enlarged fragmentary plan view the outside of the body. 50 of the can shown in Fig. 1 with parts broken Threaded elements are formed in both can and away; cover and these elements cooperate to draw the Figure 3 is an enlarged fragmentary elevation cover top wall 26 into tight engagement with the of the upper end of the can, with parts broken top of the curled body edge 2| when the cover is away; applied to the can. These threaded elements in- 55 clude a plurality of spaced interrupted thread sections 28 (Fig. 3) which are struck inwardly from the cover flange 21 and which are disposed at an angle to the horizontal, Cooperating outwardly struck interrupted thread sections 29 are formed in the uncorrugated necked-in sections I! of the body wall and these thread sections are also disposed at an angle to correspond with the cover thread sections. The thread sections in can and cover flange are relatively short so that the thread sections of the cover may pass directly between the thread sections of the body when the cover is first applied.

A depending projection 3| formed at one end of each of the thread sections 29 provides a locking lug which holds the engaged threads in interlocked position as shown in Fig. 3 this being after the cover has been applied to the can and has been rotated into locked position. This general form of threaded connection is often used in sheet metal cans for securing can and cover together.

Rotation of the cover is facilitated by a suitable knurling 32 formed in the cover flange Wall 21. This knurling permits a more secure grip on the cover when it is being rotated into closed position or removed therefrom.

It is thought that the invention and many of its attendant advantages will be understood from the foregoing description, and it will be apparent that various changes may be made in the form, construction and arrangement of the parts without departing from the spirit and scope of the invention or sacrificing all of its material advantages, the form hereinbefore described being merely a preferred embodiment thereof.

I claim:

1. A can comprising a body having an open upper end, the porttion of said body adjacent its upper end being of reduced diameter to provide a necked-in closure receiving seat, said seat comprising a plurality of peripherally spaced substantially smooth areas with interrupted thread sections formed therein and vertically corrugated intermediate areas, said corrugations providing reenforcement for the open end of the can and including excess metal incident to the reduction in diameter of said necked-in portion, and a closure having a flange provided with interrupted thread sections which cooperate with the thread sections of said body to removably lock the closure in place, the exterior of said closure flange being substantially flush with the body wall when the closure is in locked position on the can.

2. A can comprising a ,body having an open upper end surrounded by an inwardly disposed curled edge, the portion of said body adjacent its upper end being of reduced diameter to provide a necked-in closure receiving seat, said seat comprising a plurality of peripherally spaced substantially smooth areas with interrupted thread sections formed therein and vertically corrugated intermediate areas, said corrugations providing reenforcement for the open end of the can and including excess metal incident to the reduction in diameter of said necked-in portion, a closure having a flange provided with interrupted thread sections which cooperate with the thread sections of said body to removably lock the closure in place, the exterior of said closure flange being substantially flush with the body wall when the closure is in locked position on the can, and a frangible seal disposed across the open end of said body to protect the contents of the container, the peripheral portion of said seal being secured within said inwardly curled edge of said body.

JOHN F. PETERS. 

